Roof Insulation Slabs

Passive house insulation requires a layer insulation system where the under layer of insulation is divided into three slabs.

Roof insulation slabs.

Suitable for installation in partitions walls floors and roofs try out slab insulation for a quicker installation and excellent thermal results. Rockwool multifix is a mineral fiberglass faced stone wool product that can be installed under many single ply membranes. Available in johannesburg cape town durban east london port elizabeth. How to cut slab insulation.

Call polystyrene product company today. We recommend the ventilated solution as the number one solution because it brings extra safety to the. Insulation slab roof insulation fits neatly into joists and battens in roof spaces and ceilings easily fitting into partition walls too. Single ply roof systems can provide an easy to install seamless roof assembly.

Single ply roof insulation. If the insulation is going below the slab the damp proof membrane dpm is laid next followed by the insulation a polythene separating layer and the concrete slab. This is because the insulation won t sag or compress. This solution is useful for paroc ventilated roofs where the upper intermediate layer has grooves in the surface.

The climate the type of foundation whether the slab includes hydronic tubing for radiant heat and the severity of the local termite problem. Saint gobain insulation uk manufacture and supply glass mineral wool slabs and rolls along with rigid polyisocyanurate pir boards that can be considered suitable for a wide range of applications across pitched roofs whether you re looking to insulate at joist level or at rafter level in your pitched roof construction. Manufactured from stone rockwool insulation slabs are high density but easy to cut. It may be easier for you to mark out where you need to cut using a straight edge and a felt tip pen.

Rigid insulation slab or insulation batt is easier to work with than rolls when you re placing the insulation upright in a wall or pitched roof. Martin holladay explains insulating a slab on grade in the energy smart details department. Perimeter slab insulation heat loss through an insulated slab windows 33 roof ceiling 8 slab 15 6 doors 5 walls 39 insulation and fenestration criteria table 402 1 1 insulation and fenestration requirements by componenta climate zone fenestration u factorb skylightb u factor glazed fenestrationb e shgc ceiling r value wood frame wall r value. It s always best to cut insulation slabs using a serrated edge such as with a fine tooth saw or even a bread knife.

Simply carefully slice along this line until your slab is at the desired size.